.part-05 {
    position: relative;
    height: 380px;
}
.mb {
    margin-bottom:20px;
}
.part-con {
    position: relative;
    width: 1400px;
    margin:0 auto;
}
.part-05 .col-box-01 {
    background-color: #445366;
    height: 380px;
    color:#b3bed2;
    margin-right:20px;
}
.col-box-a {
    width: 190px;
}
.col-box {
    /* display: block; */
    float: left;
}